1142937 has 8 divisors (see below), whose sum is σ = 1693280. Its totient is φ = 761940.

The previous prime is 1142929. The next prime is 1142941. The reversal of 1142937 is 7392411.

It is not a de Polignac number, because 1142937 - 2³ = 1142929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42331 = 1142937 / (1 + 1 + 4 + 2 + 9 + 3 + 7).

It is a Duffinian number.

1142937 is a lucky number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1142937.

It is not an unprimeable number, because it can be changed into a prime (1142917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21139 + ... + 21192.

It is an arithmetic number, because the mean of its divisors is an integer number (211660).

2^1142937 is an apocalyptic number.

It is an amenable number.

1142937 is a deficient number, since it is larger than the sum of its proper divisors (550343).

1142937 is an equidigital number, since it uses as much as digits as its factorization.

1142937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42340 (or 42334 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 1142937 is about 1069.0823167558. The cubic root of 1142937 is about 104.5540268390.

The spelling of 1142937 in words is "one million, one hundred forty-two thousand, nine hundred thirty-seven".